Comparison of Shear Bond Strength of Self Adhesive Resin Cements to Enamel and Dentin in the Dual Cure and Self Cure Modes PDF Download
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Author: Rashmi Radhakrishnan
Publisher:
ISBN:
Category : Dental resins
Languages : en
Pages : 42
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Book Description
All specimens were subjected to shear forces by a universal testing machine after 24hrs at a cross head speed of 1mm/min. Data were analyzed with Kruskal Wallis and Wilcoxon test to compare groups (¿=0.05). Results: Results showed SBS of RelyX Ultimate to be significantly greater than the 3 self-adhesive resin cements on both enamel and dentin in the dual cure mode as well as on enamel in the self-cure mode. However, Panavia SA and Speedcem were significantly greater than Rely X Ultimate in the self-cure mode on dentin. Dual cure activator improved the shear bond strength of RelyX Ultimate in the self-cure mode and no significant differences were found between the bond strengths of self-adhesive resin cements and RelyX Ultimate on dentin in the self-cure mode. Conclusions: For dentin, self-adhesive resin cements Panavia SA and Speedcem had better bond strength compared to RelyX Ultimate in the absence of light polymerization and therefore may be considered in cementing restorations such as zirconia and metal, where light transmission may be limited.
Author: Rashmi Radhakrishnan
Publisher:
ISBN:
Category : Dental resins
Languages : en
Pages : 42
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Book Description
All specimens were subjected to shear forces by a universal testing machine after 24hrs at a cross head speed of 1mm/min. Data were analyzed with Kruskal Wallis and Wilcoxon test to compare groups (¿=0.05). Results: Results showed SBS of RelyX Ultimate to be significantly greater than the 3 self-adhesive resin cements on both enamel and dentin in the dual cure mode as well as on enamel in the self-cure mode. However, Panavia SA and Speedcem were significantly greater than Rely X Ultimate in the self-cure mode on dentin. Dual cure activator improved the shear bond strength of RelyX Ultimate in the self-cure mode and no significant differences were found between the bond strengths of self-adhesive resin cements and RelyX Ultimate on dentin in the self-cure mode. Conclusions: For dentin, self-adhesive resin cements Panavia SA and Speedcem had better bond strength compared to RelyX Ultimate in the absence of light polymerization and therefore may be considered in cementing restorations such as zirconia and metal, where light transmission may be limited.
Author: Rashmi Radhakrishnan
Publisher:
ISBN:
Category :
Languages : en
Pages : 32
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Author: Abdullah Sulaiman A. Al-Swuailem
Publisher:
ISBN:
Category : Dental cements
Languages : en
Pages : 166
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Book Description
Author: Preethi Mohan
Publisher:
ISBN:
Category :
Languages : en
Pages : 160
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Book Description
Cementing of indirect restorations with resin cements generally requires the pre-treatment of dentin with an adhesive. When dual-cured or chemical-cured resin cements are used with these single-step adhesives, incompatibility issues exist. This has resulted in manufacturers making chemical changes in their products. Kerr Dental markets a new resin cement, Nexus Third generation (NX3), which utilizes a proprietary redox system different from the second generation of composite luting agent (NX2). The aim of this study was to evaluate microtensile bond strength and mode of failure of NX3 and NX2 with two different adhesive systems (total-etch and self-etch) after 1 week and after 3 months of storage. Methods: Sixty-four non-carious teeth were sectioned to expose the dentin using a low-speed saw. Dentin surfaces were ground with 320-grit SiC paper. The adhesives Optibond Solo Plus (SOL), and Optibond All In One (AIO) were applied, and resin cements (NX2, NX3) were used to lute 4-mm composite discs to the treated dentin surfaces. Microtensile bond strength was determined at 1 week (IM) and after 3 months (3MON) of storage using a universal testing machine (MTS). All specimens were examined under the stereomicroscope to determine the mode of failure. Random specimens from each failure group were examined using scanning electron microscopy. Statistical Analysis: Comparisons between the treatment combinations for differences in microtensile bond strength were performed using Weibull-distribution survival analysis. Comparisons between the treatment combinations for differences in the failure mode were performed using Fisher's Exact tests. The group NX3 SOL IM (30.5 MPa) had significantly higher bond strength than NX3 SOL 3MON (13.4 MPa); NX3 AIO IM (11.3MPa); NX3 AIO 3MON (8.2 MPa; NX2 AIO 3MON (5.8 MPa); NX2 SOL IM (6.3 MPa), and NX2 SOL 3MON (3.2 MPa). The group NX2 AIO IM (19.3 MPa) was not significantly different from NX3 SOL IM. The group NX2 SOL 3MON and group NX2 SOL IM had a significantly higher percentage of teeth with mixed failure than all of the other groups. None of the other groups had significantly different failure mode. The group NX3 SOL IM had 90-percent beam survival beyond 17 MPa, and NX2 AIO IM had 50 percent of beams surviving beyond 17 MPa, a better performance. For all the other groups, more than 50 percent of beams failed below 17 MPa. Results show high evidence of degradation for all groups considered in this investigation. The use of these types of cement adhesive combinations in clinical situations should be used with this understanding.
Author: Ronald L. Sakaguchi
Publisher: Elsevier Health Sciences
ISBN: 0323082513
Category : Medical
Languages : en
Pages : 417
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Book Description
Master the use of dental materials in the clinic and dental laboratory and stay current with this ever-changing field with Craig's Restorative Dental Materials, 13th Edition. From fundamental concepts to advanced skills, this comprehensive text details everything you need to know to understand the scientific basis for selecting dental materials when designing and fabricating restorations. This practical, clinically relevant approach to the selection and use of dental materials challenges you to retain and apply your knowledge to realistic clinical scenarios, giving you an authoritative advantage in dental practice. - Problems and Solutions at the end of each chapter test your ability to apply chapter concepts to solve common clinical challenges. - Mind Maps on the companion Evolve website condense essential chapter content into single-page overviews ideal for quick reference, study outlines, or comprehensive reviews. - Comprehensive coverage reflects fundamental concepts and the latest practical knowledge all in one authoritative source. - Appendix of useful resource materials provides quick, convenient access to Weights and Measurements, Conversion Tables, and Comparative Table of Troy, Avoirdupois, and Metric Weights. - Content updates and links on Evolve keep you current with the latest developments in the field. - NEW! Full-color design and illustrations clarify clinical detail for greater understanding. - NEW! Reorganized content emphasizes scientific evidence and is organized by usage in a clinical setting to help you study more efficiently. - NEW! Digital Imaging and Processing for Restorations chapter equips you with essential understanding of current imaging practices. - NEW! Major revisions reflect the latest advances in the use of enamel, dental, biofilms, mechanical testing, ceramics, polymers, and composites.
Author: Micheline L. Tanjutco-Park
Publisher:
ISBN:
Category : Dental cements
Languages : en
Pages : 196
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Book Description
Author: Harald O. Heymann
Publisher: Elsevier Health Sciences
ISBN: 0323170609
Category : Medical
Languages : en
Pages : 756
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Book Description
Get a better picture of operative dentistry from the most complete text on the market. Using a detailed, heavily illustrated, step-by-step approach, this comprehensive guide helps you master the fundamentals and procedures of restorative and preventive dentistry and learn to make informed decisions to solve patient needs. This widely respected text draws from both theory and practice, and is supported by extensive clinical and laboratory research. The new edition features a new full-color design, significant content updates, and a new companion website with six supplemental chapters, videos, and more. - Comprehensive coverage spans the entire spectrum of operative dentistry, including fundamentals, diagnosis, instrumentation, preparation, restoration, and prevention. - Practical, scientific approach to content is supported by sound clinical and laboratory research and incorporates both theory and practice. - Clear presentation of techniques and procedures uses a consistent pattern to cover each restorative process. - Procedural alternatives instruct on how to adapt a procedure or technique to answer individual patient needs. - Pros and cons of restoration options discuss the advantages, disadvantages, indications, and contraindications involved to help you make informed decisions when multiple treatment options are available. - Significant revisions across all chapters streamline the book and make it easier to read. - New full-color design gives you a better picture of concepts and procedure details. - Companion website offers electronic access to the book, plus six supplemental chapters, videos, and weblinks.
Author: Michelle Sunico-Segarra
Publisher: Springer
ISBN: 3662438429
Category : Medical
Languages : en
Pages : 91
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Book Description
This book discusses and describes in detail the available resin cements, which are now a staple of dental practice. Factors that affect the clinical performance of resin cements are thoroughly examined and the different resin cements currently on the market are discussed in depth, with information on indications, limitations, handling and manipulation and storage. Decision trees and concept maps are provided to aid the clinician in choosing the right cement for particular clinical situations. The final part of the book is devoted to actual clinical procedures and provides step-by-step guidance on the cementation of inlays/onlays, veneers and crowns and bridges made of different materials. Frequently asked questions are also highlighted, with straight to the point answers. A Practical Clinical Guide to Resin Cements will serve as an invaluable reference that is ideal for consultation by clinicians prior to an important cementation procedure.
Author: David Byron Bonebreak
Publisher:
ISBN:
Category :
Languages : en
Pages : 72
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Book Description
Author:
Publisher:
ISBN:
Category : Dentistry
Languages : en
Pages : 610
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Book Description
